joe4140 joe4140
  • 01-11-2018
  • Mathematics
contestada

3/4(-10+2/5).......................

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 01-11-2018

3/4(-10+2/5)

first do parenthesis

factor out -1 inside the parenthesis

3/4 * (-1*(10-2/5))

borrow from the 10

3/4 * (-1*( 9 5/5-2/5))

3/4 * -1(9 3/5)

change the mixed number to an improper fraction

3/4 * -1 ((5*9+3)/5)

3/4 * -1(48/5)

3/4 * (-48/5)

-144/20

divide by 4

-36/5

-7 r 1

-7 1/5


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